Mathematic teaching rack



FIG. 1 is a front elevational view of the mathematic teaching rack showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a frontn perspective view thereof.

The broken lines shown in FIGS. 5 and 7 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for the mathematic teaching rack, as shown and described. 